Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc duoc he snippets" » "hoc nuoc he snippets", "hoa duoc he snippets", "hoc dung he snippets", "hoc duoc ha snippets", "hoc duoc hoc snippets", "hoc duoc hoi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoc duoc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc duoc he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc duoc he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc duoc he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.